EP2549452B1 - Suivi à base de localisation - Google Patents

Suivi à base de localisation Download PDF

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Publication number
EP2549452B1
EP2549452B1 EP11290334.9A EP11290334A EP2549452B1 EP 2549452 B1 EP2549452 B1 EP 2549452B1 EP 11290334 A EP11290334 A EP 11290334A EP 2549452 B1 EP2549452 B1 EP 2549452B1
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Prior art keywords
proximate
range
communications
circuit
tag
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EP11290334.9A
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German (de)
English (en)
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EP2549452A1 (fr
Inventor
Cédric Boudy
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NXP BV
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NXP BV
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Priority to EP11290334.9A priority Critical patent/EP2549452B1/fr
Priority to US13/539,787 priority patent/US8742908B2/en
Priority to CN201210247801.9A priority patent/CN102891705B/zh
Publication of EP2549452A1 publication Critical patent/EP2549452A1/fr
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Publication of EP2549452B1 publication Critical patent/EP2549452B1/fr
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/14—Mechanical actuation by lifting or attempted removal of hand-portable articles
    • G08B13/1427—Mechanical actuation by lifting or attempted removal of hand-portable articles with transmitter-receiver for distance detection

Definitions

  • the identification and/or tracking of objects have been important for a variety of applications, such as for tracking vehicles, objects such as art objects, animals and people, and for ensuring the location and safety of valuable objects.
  • Global positioning systems, radio frequency systems and others have been used for a variety of tracking purposes.
  • RFID radio-frequency identification
  • US 2003/095032 discloses a cellular phone comprising a radio communication portion, an ID reading portion and GPS.
  • WO2008/021874 discloses a wireless protection system which includes a plurality of wireless units.
  • a plurality of the units are each configured to monitor a characteristic of at least one other unit, to detect an exception condition associated with a monitored unit based on the monitored characteristic, and to send an alert message to a plurality of the units in response to detecting the exception condition.
  • Various example embodiments are directed to tracking the location of objects, and to addressing various challenges including those discussed above.
  • an object tracking apparatus includes a proximate-range circuit, a position-assessment circuit and a communications circuit.
  • the proximate-range circuit wirelessly communicates with at least one proximate-range communications device to verify the identification and presence thereof, and provides an output indicative of the identity and presence of the at least one proximate-range communications device.
  • the position-assessment circuit assesses the position information of the object tracking apparatus using received wireless communications, and provides an output indicative of the position information.
  • the communications circuit receives the outputs from the proximate-range circuit and the position-assessment circuit, and wirelessly communicates data including the position information via a distal-range communications station based upon the received outputs.
  • a system for tracking an object as defined in claim 9.
  • the system includes a proximate-range communications tag and an object-tracking device.
  • the proximate-range communications tag responds to proximate-range wireless communications by wirelessly communicating identification information.
  • the object-tracking device wirelessly communicates with the tag to verify the identity and presence of the tag, and determines a geographical position of the object-tracking device using received wireless communications.
  • the object-tracking device further wirelessly communicates data, indicative of the determined geographical position to a communications station, based on the verification of the identity and presence of the tag.
  • Wireless communications are effected with at least one proximate-range communications device to verify the identity and presence of the at least one proximate-range communications device, and an output indicative of the presence of the at least one proximate-range communications device is provided.
  • Geographical positioning information is determined using received wireless communications, and an output indicative of the determined positioning information is provided.
  • Data, including the determined positioning information, is wirelessly communicated via a distal-range communications station, based upon the provided outputs.
  • an object tracking device operates to communicate with both an identification circuit and a wireless location-based communications system, and to use the communications in verifying a position and/or tracking of an object.
  • the object tracking device implements and/or interacts with location based services, wireless radio communications, and proximate-range wireless communications (e.g., near field communications (NFC) or radio frequency identification (RFID) communications) for tracking objects with both positioning and proximate-range verification with respect to an identification circuit.
  • NFC near field communications
  • RFID radio frequency identification
  • tracking-type functions can be achieved, including those involving one or more of: monitoring an object's position and ensuring that an authenticated object stays in an authorized area; verification of an object's identification with a proximate-range device; tracking of a current position by wireless radio communication; and storage of information related to the identified object.
  • identification e.g., via an NFC or RFID tag
  • communication e.g., via wireless radio
  • a proximate-range tag and an object tracking device are implemented together, with the object tracking device determining both its location and its proximity relative to the proximate-range tag, which can also be used to authenticate an object bearing the proximate-range tag.
  • At least one of the proximate-range tag and the object tracking device is located on an object to be tracked.
  • the object tracking device identifies its own location (or provides information for doing so), verifies proximity of the proximate-range tag, and communicates this location and proximity information for tracking ( e.g., over a radio frequency network).
  • the proximate-range tag proximity verification can be carried out as a cyclic or ongoing process to detect changes in one or both of the proximate-range tag and object tracking device. For example, if the proximate-range tag cannot be verified, the object tracking device can report an alert (e.g., if the object tracking device has been removed from a vehicle on which both the object tracking device and proximate-range tag are located, the tracking device can generate an alert indicative of a theft). More than one proximate-range tag can also be used to suit various applications.
  • the location of the proximate-range tag can be remote to the object tracking device, which permits the secure placement of the tag (e.g., in a portion of a vehicle that is difficult to access).
  • the object tracking device is located on the object to be tracked, and at least one remote proximate-range tag is located remotely from the object to be tracked.
  • a remote proximate-range tag may be placed in a vehicle's parking area, sufficiently near the vehicle to facilitate proximate-range communications between the object tracking device and the remote proximate-range tag. If the vehicle is moved away from the parking area, the object tracking device loses contact with the remote proximate-range tag. This loss of contact can be reported, such as to an owner via an RF communications link, to alert the owner that the vehicle has been moved away from the parking area.
  • Two or more proximate-range tags including a local and remote proximate-range tag may be used together with a single object tracking device.
  • the local proximate-range tag e.g., an NFC or RFID tag
  • the remote proximate-range tag e.g., an RFID tag
  • the remote proximate-range tag is located in sufficient proximity to the object ( e.g. , sufficiently near a vehicle's normal parking position) to permit communications between the remote proximate-range tag and the object tracking device.
  • proximity verification of the local and remote proximate-range tags e.g., in both a garage and on a vehicle can be used to mitigate theft of the vehicle.
  • the object tracking device includes a real-time location device, such as a global positioning system (GPS) device, a proximate-range communications circuit and a distal-range wireless communication module such as a wireless telephony module (e.g., employing Global System for Mobile communications (GSM)).
  • the wireless communication module is used to transmit data and/or send alerts in real-time, with information corresponding to positioning determined via the real-time location device, and proximity determined via the proximate-range communications circuit.
  • GPS global positioning system
  • GSM Global System for Mobile communications
  • Various embodiments as described herein may be implemented using one or more of a variety of approaches, devices, systems and communications methods.
  • mobile object tracker devices such as the ATOP (OM12000: Automotive Telematics Onboard Platform) available from NXP Semiconductors of Eindhoven, the Netherlands, may be implemented with a variety of embodiments (see, e.g., NXP publication "NXP Automotive Telematics On-board unit Platform (ATOP), June, 2010, which is fully incorporated herein by reference).
  • ATOP Automotive Telematics On-board unit Platform
  • Such implementations may employ GPS, GSM/GPRS mobile communications, and device and vehicle connectivity via high speed communications such as via a CAN bus, USB 2.0 communications and NFC.
  • additional information is stored in an object tracking device/system using a proximate-range tag that is specific to a particular object. For example, where the object is animal, dedicated information regarding vaccine dates and other information can be stored accordingly. Where implemented with a vehicle, maintenance history, location history, speed history and other information can be stored and used in association with the particular RFID tag information for that vehicle. In addition, via the proximate-range tag identification, the resulting object to which information is communicated can be verified for security.
  • Communications from the object tracking device regarding an indication of identification, location or other condition are carried out in accordance with a variety of approaches, to suit particular applications. For example, when an object is detected as being moved from a predefined zone, an alert can be sent to a user. Such an approach may involve, for example, detecting a position change via a GPS device or wireless circuit ( e.g., via mobile telephone base stations), or detecting a position change between a remote RFID tag and an object tracking device on the object.
  • an alert is generated.
  • This alert may, for example, involve communications over a wireless link such as a GSM/GPRS link.
  • a local alert may also be initiated, such as by sounding an alarm or generating a local signal ( e.g., via a CAN bus) that disables a vehicle (with the vehicle being the tracked object) in response to failing proximate-range communications between a tag and the object tracking device.
  • wireless communications between the object tracking device and a wireless system are monitored to detect interruption therein. For example, if a thief uses a GSM jammer to interfere with communications, a response can be carried out in a variety of manners. For example, if a network register for the object tracking device is lost ( e.g., using a timeout tracking approach with a server register), this loss can be detected and used to generate and provide an alert to a user. As another example, if the object tracking device detects loss of wireless connection, the device may generate a local response at the object, such as by sounding an alert or disabling a vehicle (when the object is a vehicle).
  • an object tracking device and an RFID device is configured for user deactivation, which may be effected using a user code. For example, if a user wishes to remove a device (e.g., to terminate remote RFID proximity, or to remove a tracking device), the user may access the object tracking device to remove the device(s) without triggering an alert. This access may involve, for example, user entry of an access code, or NFC authentication via a personal tag/card.
  • location-based tracking of an object is selectively carried out using both a proximate-range and a distal-range wireless tracking approach such as a GPS or GSM/GPRS type approach.
  • a proximate-range and a distal-range wireless tracking approach such as a GPS or GSM/GPRS type approach.
  • GPS or GSM/GPRS type tracking is disabled as the location of the object is known via the NFC and/or RFID communications.
  • distal-range wireless tracking is initiated.
  • communications regarding the tracking e.g., via a wireless telephone system
  • Alerts may also be sent to notify a user of such tracking changes, which can be implemented to alert a user when an object has been removed from and returned to a zone.
  • an alternate power device is coupled to the object tracking device in order to provide power when power is removed therefrom (e.g., if a thief disables power to the device).
  • the alternate power device may, for example, include a kinetic charger device ( e.g., that uses movement of a vehicle as it is being stolen), or a battery and solar cell that reloads the battery.
  • proximate-range is used in connection with communications, circuits, devices and systems.
  • proximate-range communications may include NFC with tags or cards, with high-frequency communications limited to a few centimeters.
  • proximate-range communications can also be carried out with RFID tags, which can be tailored to extend to several meters in communications range.
  • Communications that are not proximate-range communications include those such as GSM communications (e.g., for communicating with a GSM tower over several hundred meters, or over several kilometers), and Wi-Fi communications (e.g. , in accordance with the IEEE 802.11 standard) ranging 20 meters or more.
  • NFC communications may be implemented with RFID communications
  • RFID communications may be implemented with NFC communications
  • Other proximate-range communications e.g., in the range of a few centimeters to a few meters
  • communications based on the Bluetooth standard may also be implemented in connection with various embodiments.
  • Fig. 1 shows a location-based tracking device and system 100, in accordance with an example embodiment of the present invention.
  • the system 100 shows various components, which may be implemented separately or in conjunction with one another. Accordingly, various embodiments are directed to devices and/or systems employing one or more aspects as shown in Fig. 1 , as part of or all of the system 100.
  • a movable object 105 is shown as including a tracking device 110 that interacts with one or both of NFC/RFID tag 120 and RFID tag 121 to verify the presence of the tag or tags.
  • Tracking device 110 determines information regarding the device's location via one or both of a global positioning system 130 and wireless communications stations ( e.g., using communications station 140 as part of a mobile telephone network).
  • the tracking device 110 further interacts with a wireless communications system via communications station 140, for communicating information concerning one or both of location information for the tracking device 110, and the presence of one or both of the tags 120 and 121 within range of the tracking device 110.
  • the tracking device 110 can be implemented in a variety of manners to effect one or both of identification and location of the object 105.
  • one or both of the tags 120 and 121 may be implemented for verification of the proximity of the tracking device 110 and the RFID tag(s). These approaches may be carried out using, for example, one or more aspects as discussed above.
  • the NFC/RFID tag 120 is located in a portion of the object (e.g., a vehicle), and accordingly configured with a communications range that requires that the tracking device 110 be located in the vehicle in order to communicate with the tag.
  • This approach facilitates the detection of the removal of the tracking device immediately, before the vehicle is moved. For example, if the tag 120 is a NFC tag limited to communications within a few centimeters, loss of NFC communications with the NFC tag 120 can be detected upon moving the tracking device away from the NFC tag by only a few centimeters. If the tracking device 110 is powered via an alternate source, such as a battery source, the device can thus communicate an alert regarding a failed communication with the RFID tag, immediately upon removal from the vehicle.
  • an alternate source such as a battery source
  • the system 100 further includes a vehicle communications circuit 150 that communicates with the tracking device 110 to receive information therefrom.
  • the tracking device 110 communicates an alert signal to the vehicle communications system, in response to failing to verify the identity and presence of tag 120 (and/or tag 121).
  • the vehicle communications system responds to the alert signal in one or more of a variety of manners, such as by disabling the vehicle. For example, if the tracking device 110 cannot verify the presence of the tag 120, an alert can be sent to the vehicle communications system 150, which facilitates disabling of the vehicle.
  • This approach may involve, for example, sending a wireless communication from the object tracking device 110 to the vehicle communications system 150, in response to the object tracking device being removed from the vehicle ( e.g., and thus out of range for communicating with the tag 120).
  • Fig. 2 shows a location-based tracking device 210, in accordance with another example embodiment of the present invention.
  • the device 210 may, for example, be implemented in connection with the system 100 shown in Fig. 1 , with tracking device 110.
  • Such an application may, for example, be implemented in connection with vehicle tracking.
  • the tracking device 210 includes local tag reader (NFC/RFID) circuitry 212, GPS circuitry 214, and wireless communications (GSM) circuitry 216 for a GSM-based system.
  • the device 210 may further include interface circuits 218, for communicating with circuits within an object ( e.g., vehicle) in which the device 210 is employed.
  • Local NFC and/or RFID communications with one or more tags 220-N are effected via the NFC/RFID circuitry 212.
  • Positioning communications are effected via one or both of the GPS circuitry 214 and the GSM circuitry 216, and data communications are effected via the GSM circuitry.
  • the NFC/RFID circuitry 212 verifies that the tracking device 210 is in the proximity of the tag(s) 220-N, for use in identification and tracking of an object with which the tracking device 210 is implemented.
  • the tracking device 210 obtains positioning information via one or both of GPS and GSM circuitry 214 and 216, and communicates information over the GSM circuitry ( e.g., via a station such as station 140 in Fig. 1 ) indicative of a characteristic of one or more of the tag(s) 220-N and position information.
  • the tracking device 210 responds to a failure in establishing communications with tag 220 by sending an alert with positioning information via the GSM circuitry 214.
  • Fig. 3 shows a data flow diagram for location-based monitoring, in accordance with another example embodiment of the present invention.
  • the approach shown in Fig. 3 may be implemented, for example, in the system 100 as shown in Fig. 1 and/or using the tracking device 210 shown in Fig. 2 .
  • a device start is effected at block 1.
  • position and RFID tag presence are detected and a wait mode is entered.
  • the presence of the RFID tag is re-verified (e.g., at a polling interval), and position may be re-acquired as well.
  • the detected location is verified as stationary within a defined area, and the detected RFID tag value is evaluated to ensure that it corresponds to a configured value (e.g., the proper RFID tag is sensed).
  • an event mode is entered.
  • an event is detected as a loss in wireless communication network registration (e.g., wireless registration with a GSM network), and an alert is sent if the registration is lost.
  • wireless communication network registration e.g., wireless registration with a GSM network
  • an alert is sent if the registration is lost.
  • This approach can be implemented with a communications system using the GSM network to verify registration of tracking devices, and can be regularly monitored. This approach may be implemented, for example, to detect an intentional jamming of wireless communications.
  • the device sends an alert to a user over a wireless communication network (e.g., a GSM network) and enters a "tracking mode" at block 32.
  • a wireless communication network e.g., a GSM network
  • a current location is regularly sent to a server with the network, which can be carried out at a predefined interval (e.g., a user-defined interval). If the network becomes unavailable, the device stores location values in a batch file and sends the values to the server when it reconnects to the network.
  • monitoring is terminated in response to a user electing to stop the device.
  • Such termination may be effected using, for example, an authentication card or code (e.g. , a NFC card) to deactivate monitoring or tracking mode.
  • an authentication card or code e.g. , a NFC card

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Claims (14)

  1. Appareil de suivi d'objet (200) comprenant :
    un circuit à courte portée (212) configuré pour communiquer en mode sans fil avec au moins un dispositif de communication à courte portée (220) pour vérifier l'identification et la présence de celui-ci, et fournit une sortie indicative de l'identité et la présence de l'au moins un dispositif de communication à courte portée ;
    un circuit d'évaluation de position (214) configuré et agencé pour évaluer des informations de position de l'appareil de suivi d'objet à l'aide de communications sans fil reçues, et fournir une sortie indicative des informations de position ; et
    un circuit de communication (216) couplé pour recevoir les sorties du circuit à courte portée et du circuit d'évaluation de position, et configuré pour communiquer en mode sans fil des données comportant les informations de position par l'intermédiaire d'une station de communication distale (140) en fonction des sorties reçues,
    l'appareil de suivi d'objet étant configuré pour répondre à une entrée d'utilisateur en authentifiant l'entrée d'utilisateur et, en réponse à cette authentification, désactivant au moins une de la génération respective des sorties et de la communication sans fil de données à la station de communication distale.
  2. Appareil selon la revendication 1, dans lequel le circuit de communication est configuré pour communiquer en mode sans fil des données par l'intermédiaire de la station de communication distale conformément à une ou plusieurs de
    la communication de données en fonction des sorties reçues en communiquant des informations de positionnement correspondant à la sortie du circuit d'évaluation de position, quand la sortie du circuit à courte portée indique un échec de vérification d'au moins une de la présence et de l'identité de l'au moins un dispositif de communication à courte portée,
    la communication en mode sans fil de données indiquant un vol d'un objet connecté à l'appareil de suivi d'objet, en fonction de la sortie du circuit à courte portée indiquant l'absence d'un dispositif de communication à courte portée également connecté à l'objet, et
    la communication en mode sans fil de données indiquant le retrait d'un objet connecté à l'appareil de suivi d'objet d'une zone prédéfinie, en fonction de la sortie du circuit à courte portée indiquant l'absence d'un des au moins un dispositifs de communication à courte portée qui est situé dans la zone prédéfinie.
  3. Appareil selon la revendication 1, dans lequel le circuit de communication (216) est configuré pour communiquer en mode sans fil des données comportant les informations de position par l'intermédiaire de la station de communication distale en réponse à un échec d'établissement de communications avec l'au moins un dispositif de communication à courte portée (220).
  4. Appareil selon la revendication 1, dans lequel le circuit à courte portée est configuré pour communiquer en mode sans fil avec au moins un dispositif de communication à courte portée pour vérifier l'identité et la présence de l'au moins un dispositif de communication à courte portée durant le cycle répété et fournir une sortie indiquant que l'au moins un dispositif de communication à courte portée n'est plus situé à proximité en réponse à l'échec de détection de la présence de l'au moins un dispositif de communication à courte portée durant l'un des cycles répétés.
  5. Appareil selon la revendication 1,
    l'appareil de suivi d'objet comportant un circuit de mémoire configuré pour mémoriser des données correspondant à une identification de dispositif d'un de l'au moins un dispositif de communication à courte portée, et
    le circuit de communication est configuré pour communiquer en mode sans fil les données mémorisées à un utilisateur par l'intermédiaire de la station de communication distante pour l'identification de dispositif.
  6. Appareil selon la revendication 1, l'appareil de suivi d'objet étant configuré pour générer et communiquer une sortie pour désactiver un véhicule auquel l'appareil de suivi d'objet est connecté, en réponse à au moins une
    de la sortie du circuit à courte portée indiquant que l'au moins un dispositif de communication à courte portée n'est plus à portée de communication en réponse à l'échec de détection de la présence de l'au moins un dispositif de communication à courte portée,
    de la sortie du circuit d'évaluation de position indiquant un changement de position du véhicule, et
    d'un échec d'enregistrement par le circuit de communication auprès d'un réseau l'intermédiaire de la station de communication distale.
  7. Appareil selon la revendication 1, dans lequel
    le circuit à courte portée est configuré pour fournir une sortie indicative de la présence de l'au moins un dispositif de communication à courte portée en fournissant une sortie indicative du retrait de l'appareil de suivi d'objet d'une zone prédéfinie, en fonction de la sortie du circuit à courte portée indiquant l'absence d'un des au moins un dispositifs de communication à courte portée qui est situé dans la zone prédéfinie, et
    le circuit de positionnement est configuré pour lancer un mode de suivi et déterminer les informations de positionnement de l'appareil de suivi d'objet en réponse à la sortie du circuit à courte portée indiquant que l'appareil de suivi d'objet a quitté la zone prédéfinie.
  8. Appareil selon la revendication 1, dans lequel le circuit de positionnement comporte un ou plusieurs
    du circuit de communication, caractérisé en ce que le circuit de communication est configuré pour détecter une position de l'appareil de suivi d'objets en fonction de signaux reçus par l'intermédiaire de la station de communication distale sur une liaison sans fil commune par l'intermédiaire de laquelle les communications sont effectuées,
    d'un circuit de positionnement global configuré pour recevoir des signaux depuis des satellites de positionnement global et détecter une position en fonction des signaux de positionnement global reçus.
  9. Système de suivi d'objet, le système comprenant
    une balise de communications à courte portée (120) configurée pour répondre à des communications sans fil à courte portée en communiquant en mode sans fil des informations d'identification ; et
    un dispositif de suivi d'objet (105) configuré et agencé pour
    communiquer en mode sans fil avec la balise pour vérifier l'identité et la présence de la balise,
    déterminer une position géographique du dispositif de suivi d'objet à l'aide de communications sans fil reçues, et
    communiquer en mode sans fil des données indicatives de la position géographique déterminée par l'intermédiaire d'une station de communication distale, en fonction de la vérification de l'identité et la présence de la balise.
  10. Système selon la revendication 9, dans lequel le dispositif de suivi d'objet est configuré pour répondre à un échec de vérification de l'identité et la présence de la balise en communiquant en mode sans fil des données indicatives de la position géographique déterminée et de l'échec de vérification de balise.
  11. Système selon la revendication 9, dans lequel
    le dispositif de suivi d'objet est connecté à un véhicule,
    la balise est connectée à une partie du véhicule qui est distante du dispositif de suivi d'objet, et
    le dispositif de suivi d'objet est configuré pour communiquer en mode sans fil des données indicatives de la position géographique déterminée par l'intermédiaire de la station de communication distale en communiquant une alerte indicative du retrait du dispositif de suivi d'objet du véhicule en réponse à l'échec de vérification par le dispositif de suivi d'objet de la présence et de l'identification de la balise.
  12. Système selon la revendication 9, dans lequel
    le dispositif de suivi d'objet est connecté à un véhicule,
    la balise est connectée à une structure externe à un emplacement prédéfini auquel peut se trouver le véhicule, et
    le dispositif de suivi d'objet est configuré pour communiquer en mode sans fil des données indicatives de la position géographique déterminée par l'intermédiaire de la station de communication distale par la communication de données indiquant que le véhicule se trouve à l'emplacement prédéfini en réponse à la vérification de la présence et de l'identification de la balise, et par la communication de données indiquant que le véhicule ne se trouve pas à l'emplacement prédéfini en réponse à l'échec de vérification de la présence et de l'identification de la balise.
  13. Système selon la revendication 9,
    dans lequel le dispositif de suivi d'objet est connecté à un véhicule,
    dans lequel la balise est une balise locale connectée à une partie du véhicule qui est distante du dispositif de suivi d'objet,
    comportant en outre une balise RFID distante connectée à une structure externe à un emplacement prédéfini auquel le véhicule peut être situé, et
    dans lequel le dispositif de suivi d'objet est configuré pour communiquer en mode sans fil des données indicatives de la position géographique déterminée par l'intermédiaire de la station de communication distale en
    communiquant une alerte indicative du retrait du dispositif de suivi d'objet du véhicule en réponse à l'échec de vérification par le dispositif de suivi d'objet de la présence et l'identification de la balise locale, et
    la communication de données indiquant que le véhicule se trouve à l'emplacement prédéfini en réponse à la vérification de la présence et l'identification de la balise RFID distante, et par la communication de données indiquant que le véhicule ne se trouve pas à l'emplacement prédéfini en réponse à l'échec de vérification de la présence et l'identification de la balise RFID distante.
  14. Procédé de suivi d'un objet, le procédé comprenant :
    la communication en mode sans fil (212) avec au moins un dispositif de communication à courte portée pour vérifier l'identité et la présence de l'au moins un dispositif de communication à courte portée, et la fourniture d'une sortie indicative de la présence de l'au moins un dispositif de communication à courte portée ;
    la détermination informations de positionnement géographique (214) à l'aide de communications sans fil reçues, et la fourniture d'une sortie indicative des informations de positionnement déterminées ; et
    la communication en mode sans fil (216) de données comportant les informations de positionnement déterminées par l'intermédiaire d'une station de communication distale (140), en fonction des sorties fournies.
EP11290334.9A 2011-07-21 2011-07-21 Suivi à base de localisation Active EP2549452B1 (fr)

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EP11290334.9A EP2549452B1 (fr) 2011-07-21 2011-07-21 Suivi à base de localisation
US13/539,787 US8742908B2 (en) 2011-07-21 2012-07-02 Location-based tracking
CN201210247801.9A CN102891705B (zh) 2011-07-21 2012-07-17 基于位置的跟踪

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EP11290334.9A EP2549452B1 (fr) 2011-07-21 2011-07-21 Suivi à base de localisation

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EP2549452A1 (fr) 2013-01-23
US20130021145A1 (en) 2013-01-24
CN102891705B (zh) 2014-11-26
US8742908B2 (en) 2014-06-03
CN102891705A (zh) 2013-01-23

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